Angular: acquireTokenRedirect is not actually called by the interceptor on error

[submarines-and]

Core Library

MSAL.js (@azure/msal-browser)

Core Library Version

2.38.0

Wrapper Library

MSAL Angular (@azure/msal-angular)

Wrapper Library Version

2.5.9

Public or Confidential Client?

Public

Description

acquireTokenRedirect is an observable and needs to be subscribed to fire. In the code, it needs a "return" statement before it, as it is now, nothing happens.

See code here:
https://github.com/AzureAD/microsoft-authentication-library-for-js/blob/dev/lib/msal-angular/src/msal.interceptor.ts#L207

Error Message

Affects any error that requires interaction

Msal Logs

N/A

MSAL Configuration

{
}

Relevant Code Snippets

https://github.com/AzureAD/microsoft-authentication-library-for-js/blob/dev/lib/msal-angular/src/msal.interceptor.ts#L207

Reproduction Steps

Cause any error that requires interaction

Expected Behavior

User should be redirected

Identity Provider

Azure AD / MSA

Browsers Affected (Select all that apply)

Chrome, Edge, Safari

Regression

No response

Source

External (Customer)

[submarines-and]

Caused by this:
#4176

Very frustrating, but it works when Broadcast service is added to dependencies